diff --git a/src/backend/pyproject.toml b/src/backend/pyproject.toml
index 563b27982..598def614 100644
--- a/src/backend/pyproject.toml
+++ b/src/backend/pyproject.toml
@@ -18,7 +18,7 @@ include = ["./bisheng/*", "bisheng/**/*"]
 bisheng = "bisheng.__main__:main"
 
 [tool.poetry.dependencies]
-bisheng_langchain = "^0.1.4"
+bisheng_langchain = "^0.1.6"
 fastapi_jwt_auth = "^0.5.0"
 redis = "^5.0.0"
 jieba = "^0.42.1"
diff --git a/src/bisheng-langchain/version.txt b/src/bisheng-langchain/version.txt
index 8c43fb439..82942c397 100644
--- a/src/bisheng-langchain/version.txt
+++ b/src/bisheng-langchain/version.txt
@@ -1 +1 @@
-v0.1.4
+v0.1.6